11105020415603 has 8 divisors (see below), whose sum is σ = 11209390038000. Its totient is φ = 11000661615360.

The previous prime is 11105020415591. The next prime is 11105020415609. The reversal of 11105020415603 is 30651402050111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11105020415603 - 2¹⁸ = 11105020153459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11105020415609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636218 + ... + 4755503.

It is an arithmetic number, because the mean of its divisors is an integer number (1401173754750).

Almost surely, 2^{11105020415603} is an apocalyptic number.

11105020415603 is a deficient number, since it is larger than the sum of its proper divisors (104369622397).

11105020415603 is a wasteful number, since it uses less digits than its factorization.

11105020415603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411077.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11105020415603 its reverse (30651402050111), we get a palindrome (41756422465714).

The spelling of 11105020415603 in words is "eleven trillion, one hundred five billion, twenty million, four hundred fifteen thousand, six hundred three".